Woolwich videos of the machete attack have been watched by hundreds of thousands of people; but why? Emotional contagion.
Positive reviews continue to have an influence even if you subsequently get negative reviews. Positive reviews linger.
Content curation is the next big thing online. You can make your mark by being a content curator.
The London 2012 Olympics is trying to control how people engage with the event, which ultimately will lead to negative publicity.